Commit 950002af authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent e918eb74
Pipeline #5933 canceled with stage
......@@ -83,7 +83,7 @@ C'est *un peu plus que* **dix-huit milliards de milliard de grains de riz**.
!!
!! Tu peux maintenant comparer les équations $`(equ.1)`$ et $`(equ.2)`$, et remarquer que
!!
!! $`2 + 2^2 + 2^3 + 2^4 + \,.\,.\,. + 2^{63} + 2^{64}`$$`\; = (1 + 2^1 + 2^2 + 2^3 +\,.\,.\,. + 2^{62} + 2^{63}`$$`\;-1+2^{64}`$
!! $`2 + 2^2 + 2^3 + 2^4 + \,.\,.\,. + 2^{63} + 2^{64}`$$`\; = (1 + 2^1 + 2^2 + 2^3 +\,.\,.\,. + 2^{62} + 2^{63})`$$`\;-1+2^{64}`$
!!
!! donc $`N \times 2 = N - 1 + 2^{64}`$
!!
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